noun
Military term for airborne infantry units that deploy by parachute.
落下傘部隊が敵陣の背後に降下した。
The paratroops descended behind enemy lines.
空挺部隊 is a broader term for airborne troops, including those transported by gliders or helicopters, while 落下傘部隊 specifically refers to parachute units.
Compound of 落下傘 (parachute) and 部隊 (unit, corps).